<template>
  <view>
    <!-- 使用自定义的搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <!-- 轮播图区域  小圆点 自动轮播 轮播间隔 开始轮播到轮播结束总共耗时1S 衔接轮播-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <!-- 循环渲染轮播图的 item 项 -->
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <!-- 动态绑定图片的 src 属性 -->
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i"   @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title" ></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width+'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url=" item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width + 'rpx'} "></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>

  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  export default {    
    // 将 badgeMix 混入到当前的页面中进行使用
      mixins: [badgeMix],
    data() {
      return {
        //这是轮播图的数据列表
        swiperList:[],
        //分类导航的数据列表
        navList:[],
        //楼层的数据列表
        floorList:[],
      };
    },
    onLoad(){
      this.getSwiperList(),
      this.getNavList(),
      this.getFloorList()
    },
    methods:{
      async getSwiperList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        console.log(res)
        //请求失败
        if(res.meta.status !== 200){
          return uni.$showMsg()
        }
        this.swiperList  = res.message
      },
      
      async getNavList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
        console.log(res)
        if(res.meta.status !== 200) {return uni.$showMsg()}
        
        this.navList = res.message
      },
      
      navClickHandler(item){
        if(item.name == '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      
      async getFloorList(){
       const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
       if(res.meta.status !== 200 ) return uni.$showMsg()
       
       res.message.forEach(floor =>{
         floor.product_list.forEach(prod =>{
           prod.url = '/subpkg/goods_list/goods_list?'+ prod.navigator_url.split('?')[1]
         })
       })
       this.floorList = res.message
      },
      
      // 跳转到分包中的搜索页面
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    },
    

  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
  }
}

.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title{
  height: 60rpx;
  width: 100%;
  // display: flex;
}

.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
// .left-img-box{
//   display: flex;
//   padding-left: 10rpx;
// }

.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}

.search-box{
  // 设置定位效果为“吸顶”
  position: sticky;
  // 吸顶的“位置”
  top: 0;
  // 提高层级，防止被轮播图覆盖
  z-index: 999;
}
</style>
